// Emacs style mode select	 -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
// DESCRIPTION:
//		Rendering of moving objects, sprites.
//
//-----------------------------------------------------------------------------


#ifndef __R_THINGS__
#define __R_THINGS__


#ifdef __GNUG__
#pragma interface
#endif

#define MAXVISSPRITES	128

extern vissprite_t		vissprites[MAXVISSPRITES];
extern vissprite_t*		vissprite_p;
extern vissprite_t		vsprsortedhead;

// Constant arrays used for psprite clipping
//	and initializing clipping.
extern short			negonearray[SCREENWIDTH];
extern short			screenheightarray[SCREENWIDTH];

// vars for R_DrawMaskedColumn
extern short*			mfloorclip;
extern short*			mceilingclip;
extern fixed_t			spryscale;
extern fixed_t			sprtopscreen;

extern fixed_t			pspritescale;
extern fixed_t			pspriteiscale;


void R_DrawMaskedColumn (column_t* column);


void R_SortVisSprites (void);

void R_AddSprites (sector_t* sec);
void R_AddPSprites (void);
void R_DrawSprites (void);
void R_InitSprites (char** namelist);
void R_ClearSprites (void);
void R_DrawMasked (void);

void
R_ClipVisSprite
( vissprite_t*			vis,
  int					xl,
  int					xh );


#endif
//-----------------------------------------------------------------------------
//
// $Log:$
//
//-----------------------------------------------------------------------------
